<template>
  <header class="header">

    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <p v-if="!userName">
            <span>请</span>
            <router-link :to="{ name: 'login' }">登录</router-link>
            <router-link :to="{ name: 'register' }" class="register">免费注册</router-link>
          </p>
          <p v-else>
            <span>{{ userName }}</span>
            <a @click="logOut" href="javascript:" class="register">退出登录</a>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/center">我的订单</router-link>
          <router-link to="/shopCart">我的购物车</router-link>
          <a href="#">我的尚品汇</a>
          <a href="#">尚品汇会员</a>
          <a href="#">企业采购</a>
          <a href="#">关注尚品汇</a>
          <a href="#">合作招商</a>
          <a href="#">商家后台</a>
        </div>
      </div>
    </div>

    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <router-link :to="{ name: 'home' }" class="logo" title="尚品汇">
          <img src="../assets/logo.png" alt="logo">
        </router-link>
      </h1>
      <div class="searchArea">
        <form action="#" class="searchForm">
          <input v-model="keyword" type="text" id="autocomplete" class="input-error input-xxlarge"/>
          <button @click="goSearch" class="sui-btn btn-xlarge btn-danger" type="button">搜索</button>
        </form>
      </div>
    </div>

  </header>
</template>

<script>
import { mapActions, mapState } from 'vuex'

export default {
  name: 'TheHeader',
  data() {
    return {
      keyword: ''
    }
  },
  computed: {
    ...mapState('user', ['userInfo']),

    userName() {
      const { loginName, nickName, name } = this.userInfo
      return name || nickName || loginName
    }
  },
  mounted() {
    this.$bus.$on('updateKeyword', value => this.keyword = value)
  },
  methods: {
    ...mapActions('user', ['userLogout']),

    goSearch() {
      const location = {
        name: 'search',
        params: { keyword: this.keyword || undefined }
      }
      if (this.$route.query) location.query = this.$route.query
      this.$router.push(location)
    },

    async logOut() {
      const result = await this.userLogout()
      if (result.code === 200) {
        this.$router.push({ name: 'home' })
      }
    }
  }
}
</script>

<style scoped lang="less">
.header {
  & > .top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

    .container {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .loginList {
        float: left;

        p {
          float: left;
          margin-right: 10px;

          .register {
            border-left: 1px solid #b3aeae;
            padding: 0 5px;
            margin-left: 5px;
          }
        }
      }

      .typeList {
        float: right;

        a {
          padding: 0 10px;

          & + a {
            border-left: 1px solid #b3aeae;
          }
        }

      }

    }
  }

  & > .bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

    .logoArea {
      float: left;

      .logo {
        img {
          width: 175px;
          margin: 25px 45px;
        }
      }
    }

    .searchArea {
      float: right;
      margin-top: 35px;

      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>